<template>
  <el-dialog
    :title="upload.title"
    :visible.sync="upload.open"
    width="400px"
    append-to-body
    :style="{ '--theme': $store.state.settings.theme }"
  >
    <el-upload
      ref="upload"
      :limit="1"
      accept=".xlsx, .xls"
      :headers="upload.headers"
      :action="upload.url + '?updateSupport=' + upload.updateSupport"
      :disabled="upload.isUploading"
      :on-progress="handleFileUploadProgress"
      :on-success="handleFileSuccess"
      :on-error="handleFileError"
      :auto-upload="false"
      drag
    >
      <i class="el-icon-upload" />
      <div class="el-upload__text">
        将文件拖到此处，或
        <em>点击上传</em>
      </div>
      <div slot="tip" class="el-upload__tip text-center">
        <div v-if="upload.showUpdate" slot="tip" class="el-upload__tip flex-center mb-5">
          <el-checkbox v-model="upload.updateSupport" style="margin-right: 5px" />
          是否更新已经存在的数据
        </div>
        <span>仅允许导入xls、xlsx格式文件。</span>
        <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline" @click="importTemplate">
          下载模板
        </el-link>
      </div>
    </el-upload>
    <div slot="footer" class="flex-center">
      <el-button type="primary" @click="submitFileForm">确 定</el-button>
      <el-button @click="upload.open = false">取 消</el-button>
    </div>
  </el-dialog>
</template>

<script>
import { getToken } from '@/utils/auth'

export default {
  data() {
    return {
      upload: {
        // 是否显示弹出层
        open: false,
        // 弹出层标题
        title: '',
        // 是否禁用上传
        isUploading: false,
        // 是否显示更新选项
        showUpdate: true,
        // 是否更新已经存在的数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: 'Bearer ' + getToken() },
        // 上传的地址
        // url: process.env.VUE_APP_BASE_API + '/data/people/import'
        url: '',
        // 模版地址
        templateUrl: ''
      }
    }
  },

  methods: {
    /** 下载模板操作 */
    importTemplate() {
      this.download(this.upload.templateUrl, {}, `${this.upload.title}模板_${new Date().getTime()}.xlsx`)
    },

    // 文件上传中处理
    handleFileUploadProgress() {
      this.upload.isUploading = true
    },

    // 文件上传成功处理
    handleFileSuccess(res) {
      console.log('handleFileSuccess', res)
      this.upload.open = false
      this.upload.isUploading = false
      this.$refs.upload.clearFiles()
      if (res?.code === 200) {
        this.$modal.msgSuccess('导入成功')
      } else {
        this.$alert(
          "<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 0 10px;'>" + res.msg + '</div>',
          '导入结果',
          { dangerouslyUseHTMLString: true }
        )
      }
      this.$parent?.onSearch()
      this.$emit('uploadSuccess', res)
    },

    // 文件上传失败处理
    handleFileError(error) {
      console.log('handleFileError', error)
      this.upload.isUploading = false
      this.$refs.upload.clearFiles()
      this.$modal.msgError('导入失败，请重试')
    },

    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit()
    }
  }
}
</script>
